Provides classification guide.

Discusses unique features.

Discusses external anatomy, morphology, systematics and phylogenetic relationships.

Discusses unique features. With references.

Presents summary of the study by Agusti N., et. al.

Reports on findings.

Discusses mating and life cycle, distinguishing features, feeding behavior, and habitat.

Discusses general description. With links to related sites.

Provides access to related sites.

Features information on characteristics and classifications of this animal group. With images.

Reports on discoveries on the group. With links to related sites.

Provides images of unidentified member species.